DIAGNOSTIC PITFALLS IN THE FINE NEEDLE ASPIRATION OF THYROID-NODULES - A STUDY OF 555 CASES IN CHINESE PATIENTS
- 1 November 1987
- journal article
- research article
- Vol. 31 (6) , 699-704
Abstract
The diagnostic value and limitations of fine needle aspiration (FNA) were determined by examining 555 palpable thyroid nodules in Chinese patients who had a definitive diagnosis established by thyroidectomy (529 cases) or large-needle biopsy (26 cases). Of the aspirates, 97.8% were satisfactory for cytologic examination. The overall malignancy rate was 20%. FNA detected 73 (74.5%) of 98 primary malignant tumors and 9 (90%) of 10 metastatic tumors. Diagnostic errors were most commonly due to inadequate specimens and cystic lesions. Cystic fluid, present in one-third of all lesions, was associated with a malignant nodule in 13% of the cases. FNA was most valuable for detecting papillary carcinomas; it may at times suggest the likelihood of a follicular carcinoma.This publication has 12 references indexed in Scilit:
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